Swan on the Long Box variation with Korean translation Apparatus: Reformer Level: Basic | Intermediate Video Type: Workshop Language: English | Korean Progressions Workshop at PilatesGKorea studio in Daegu, South Korea. Swan on the Long Box variation for people who are just starting to work on a prone position with extension. Level Beginner/Intermediate. Language: English with Korean translation. This page is only available to members. Click here to try Authentic Pilates online for FREE for 14 days or log in if you are already a member. Leave a Reply Cancel replyYou must be logged in to post a comment.